Home / 30,736.36-45,987.86-19,020.52

Finding the Fourth Proportional to 30,736.36, 45,987.86 and 19,020.52

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Solution

The fourth proportional to 30,736.36, 45,987.86 and 19,020.52 is: 28,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.36 : 45,987.86 = 19,020.52 : x
  2. Step 2: Convert to fraction form
    30,736.36/45,987.86 = 19,020.52/x
  3. Step 3: Cross multiply
    30,736.36x = 45,987.86 × 19,020.52
  4. Step 4: Simplify right side
    30,736.36x = 874,713,010.89
  5. Step 5: Solve for x
    x = 874,713,010.89/30,736.36
  6. Step 6: Final answer
    x = 28,458.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.